24-06-2023 19:34 via news.slashdot.org

Are Energy-Saving LED Lights Also Creating Glaring Problems?

LED streetlights "shine brightly while using less energy than traditional bulbs," reports the Washington Post. After switching to LED streetlights one county in Washington state conserved 2,612,491 kilowatt-hours.
But they also discovered a downside. "One year after the change began, the additional glare masked about half of the previously visible stars."Over the past decade, scientists found, the night sky has become nearly 10% brighter each year because of artificial lights, mainly LEDs emitti
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